123442241 has 8 divisors (see below), whose sum is σ = 137522280. Its totient is φ = 110017152.

The previous prime is 123442237. The next prime is 123442243. The reversal of 123442241 is 142244321.

It can be written as a sum of positive squares in 4 ways, for example, as 11082241 + 112360000 = 3329^2 + 10600^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123442241 - 2² = 123442237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123442243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163340 + ... + 164093.

It is an arithmetic number, because the mean of its divisors is an integer number (17190285).

Almost surely, 2^123442241 is an apocalyptic number.

It is an amenable number.

123442241 is a deficient number, since it is larger than the sum of its proper divisors (14080039).

123442241 is a wasteful number, since it uses less digits than its factorization.

123442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327475.

The product of its digits is 1536, while the sum is 23.

The square root of 123442241 is about 11110.4563812654. The cubic root of 123442241 is about 497.9142998069.

Adding to 123442241 its reverse (142244321), we get a palindrome (265686562).

The spelling of 123442241 in words is "one hundred twenty-three million, four hundred forty-two thousand, two hundred forty-one".